Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Oct. 01, 2017	Sep. 30, 2018	Oct. 01, 2017
Consolidated Statements of Operations (Unaudited) [Abstract]
Net revenues	$ 1,569,686	$ 1,791,502	$ 3,190,485	$ 3,613,671
Costs and expenses
Cost of sales	655,597	730,656	1,249,090	1,404,971
Royalties	105,265	139,222	240,962	282,754
Product development	65,807	67,386	183,050	192,765
Advertising	134,384	168,926	290,001	342,236
Amortization of intangibles	8,841	6,492	19,873	22,254
Program production cost amortization	14,088	5,394	33,419	16,152
Selling, distribution and administration	272,368	312,482	853,585	813,268
Total costs and expenses	1,256,350	1,430,558	2,869,980	3,074,400
Operating Profit	313,336	360,944	320,505	539,271
Non-operating (income) expense
Interest Expense	22,779	25,072	68,391	73,752
Interest income	(4,671)	(5,362)	(17,227)	(16,042)
Other (income) expense, net	(566)	(8,607)	(6,189)	(26,003)
Total non-operating expense, net	17,542	11,103	44,975	31,707
Earnings before income taxes	295,794	349,841	275,530	507,564
Income tax expense	31,933	84,258	63,862	105,659
Net earnings	$ 263,861	$ 265,583	$ 211,668	$ 401,905
Net earnings per common share:
Basic (in dollars per share)	$ 2.08	$ 2.12	$ 1.68	$ 3.21
Diluted (in dollars per share)	2.06	2.09	1.67	3.16
Cash dividends declared per common share (in dollars per share)	$ 0.63	$ 0.57	$ 1.89	$ 1.71